<template>
<div class="app-container">
    <!-- 发布表单 -->
     <div class="ccInfo">
        <img :src="coursePublish.cover" >
        <div class="main">
            <h2>课程名称 ：{{coursePublish.title}}</h2>
            <p class="gray">
                <span>课时数 ：{{coursePublish.lessonNum}}P</span>
            </p>
            <p>
                <span>所属分类 ：{{coursePublish.subjectLevelOne}} - {{coursePublish.subjectLevelTwo}}</span>
            </p>
            <p>
                <span>课程讲师 ：{{coursePublish.teacherName}}</span>
            </p>
            <h3 class="red">￥{{coursePublish.price}}</h3>
        </div>
    </div>
    <div style="text-align:center">
        <el-button  type="warning" @click="prev()">上一步</el-button>
        <el-button :disabled="publishBtnDisabled"  type="success" @click="publish()">发布</el-button>
    </div>
</div>
</template>
<script>
import course from '@/api/teacher/course'
export default {
    data() {
        return {
            publishBtnDisabled:false,
            coursePublish:{}
        }
    },
     created() {
        if(this.$parent.courseId){
            // 调用接口方法根据课程id查询
            this.getPublishCourseInfoById(this.$parent.courseId)
        }
    },
    methods: {
        getPublishCourseInfoById(id){
            course.getPublishCourseInfo(id)
            .then(res => {
                this.coursePublish = res.data.publishInfo
            })
        },
        prev(){
            this.$parent.active = 1
        },
        publish(){
            course.publishCourse(this.$parent.courseId)
            .then( res => {
                this.$parent.active = 3
                this.$message({
                    type:'success',
                    message:'课程发布成功!'
                })
                // 跳转课程列表页面
                this.$router.push({path: '/course/list/'})
            })
            this.publishBtnDisabled=true
        }
    }
}
</script>

<style scoped>
.ccInfo {
    background: #f5f5f5;
    padding: 20px;
    overflow: hidden;
    border: 1px dashed #DDD;
    margin-bottom: 40px;
    position: relative;
}
.ccInfo img {
    background: #d6d6d6;
    width: 500px;
    height: 278px;
    display: block;
    float: left;
    border: none;
}
.ccInfo .main {
    margin-left: 520px;
}

.ccInfo .main h2 {
    font-size: 28px;
    margin-bottom: 30px;
    line-height: 1;
    font-weight: normal;
}
.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}

.ccInfo .main p {
    margin-bottom: 10px;
    word-wrap: break-word;
    line-height: 24px;
    max-height: 48px;
    overflow: hidden;
}
.ccInfo .main h3 {
    left: 540px;
    bottom: 20px;
    line-height: 1;
    font-size: 28px;
    color: #d32f24;
    font-weight: normal;
    position: absolute;
}
</style>